Adjust these sequence of dots and the expressions of the coordinates to create different patterns. [br]If you hide the orange sequence, you can focus on the green one, which gives directly the points on the unit circle according to the definitions of sine and cosine.

For advanced learners, a similar applet is made based on parametric form:[br][url=https://www.geogebra.org/m/udzha8gu]https://www.geogebra.org/m/udzha8gu[/url]